It rolls on Giant's aluminium 30mm aero P-A2 wheelset which offer aero benefits without hindering climbing ability. Tom Marvin Senior technical editor Tom Marvin is a technical editor at BikeRadar.com and MBUK magazine. He has a particular focus on mountain bikes, but spends plenty of time on gravel bikes, too. https://bicicletasmax.com.mx/rigidas/8-bicicleta-rodada-29-trek-skye-s-para-dama-2017.html